Which of the followign correctly describes the mechanism for the function of RAS

Question

Which of the followign correctly describes the mechanism for the function of RAS (reticular activating system) in pain modulation?

a. Natural opiates are related for the axon terminals of RAS neurons, and inhibit excitatory interneurons through presynaptic inhibition

b. Natural opiates are related for the axon terminals of RAS neurons, and inhibit nociceptive afferent neurons through presynaptic inhibition

c. Natural opiates are related for the axon terminals of RAS neurons, and inhibit excitatory interneurons through postsynaptic inhibition

d. Natural opiates are related for the axon terminals of RAS neurons, and activate inhibitory interneurons in the dorsal horn

e. Natural opiates are related for the axon terminals of RAS neurons, and inhibit nociceptive afferent neuron through postsynaptic inhibition

Explanation / Answer

Hence option D is correct.

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